Here's what rhymes with trihydrate.

Consider these alternatives

hexahydrate / hydrate mitoxantrone / known octyl / total trifluoroacetic / magnetic pyrimethamine / nine propionate / dipropionate diacetate / state tretinoin / join spironolactone / backbone maleate / faleate papaverine / seen dihydrate / hydrate phenelzine / seen anodizing / rising octreotide / side cyproterone / known